1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: aclinux.h - OS specific defines, etc. for Linux
5  *
6  * Copyright (C) 2000 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACLINUX_H__
11 #define __ACLINUX_H__
12 
13 #ifdef __KERNEL__
14 
15 /* ACPICA external files should not include ACPICA headers directly. */
16 
17 #if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
18 #error "Please don't include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
19 #endif
20 
21 #endif
22 
23 /* Common (in-kernel/user-space) ACPICA configuration */
24 
25 #define ACPI_USE_SYSTEM_CLIBRARY
26 #define ACPI_USE_DO_WHILE_0
27 #define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS
28 
29 #ifdef __KERNEL__
30 
31 #define ACPI_USE_SYSTEM_INTTYPES
32 #define ACPI_USE_GPE_POLLING
33 
34 /* Kernel specific ACPICA configuration */
35 
36 #ifdef CONFIG_PCI
37 #define ACPI_PCI_CONFIGURED
38 #endif
39 
40 #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
41 #define ACPI_REDUCED_HARDWARE 1
42 #endif
43 
44 #ifdef CONFIG_ACPI_DEBUGGER
45 #define ACPI_DEBUGGER
46 #endif
47 
48 #ifdef CONFIG_ACPI_DEBUG
49 #define ACPI_MUTEX_DEBUG
50 #endif
51 
52 #include <linux/string.h>
53 #include <linux/kernel.h>
54 #include <linux/ctype.h>
55 #include <linux/sched.h>
56 #include <linux/atomic.h>
57 #include <linux/math64.h>
58 #include <linux/slab.h>
59 #include <linux/spinlock_types.h>
60 #ifdef EXPORT_ACPI_INTERFACES
61 #include <linux/export.h>
62 #endif
63 #ifdef CONFIG_ACPI
64 #include <asm/acenv.h>
65 #endif
66 
67 #define ACPI_INIT_FUNCTION __init
68 
69 /* Use a specific bugging default separate from ACPICA */
70 
71 #undef ACPI_DEBUG_DEFAULT
72 #define ACPI_DEBUG_DEFAULT          (ACPI_LV_INFO | ACPI_LV_REPAIR)
73 
74 #ifndef CONFIG_ACPI
75 
76 /* External globals for __KERNEL__, stubs is needed */
77 
78 #define ACPI_GLOBAL(t,a)
79 #define ACPI_INIT_GLOBAL(t,a,b)
80 
81 /* Generating stubs for configurable ACPICA macros */
82 
83 #define ACPI_NO_MEM_ALLOCATIONS
84 
85 /* Generating stubs for configurable ACPICA functions */
86 
87 #define ACPI_NO_ERROR_MESSAGES
88 #undef ACPI_DEBUG_OUTPUT
89 
90 /* External interface for __KERNEL__, stub is needed */
91 
92 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
93 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
94 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
95 	static ACPI_INLINE prototype {return(AE_OK);}
96 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
97 	static ACPI_INLINE prototype {return;}
98 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
99 	static ACPI_INLINE prototype {return(0);}
100 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
101 	static ACPI_INLINE prototype {return(NULL);}
102 
103 #endif				/* CONFIG_ACPI */
104 
105 /* Host-dependent types and defines for in-kernel ACPICA */
106 
107 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
108 #define ACPI_USE_NATIVE_MATH64
109 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
110 #define strtoul                     simple_strtoul
111 
112 #define acpi_cache_t                        struct kmem_cache
113 #define acpi_spinlock                       spinlock_t *
114 #define acpi_raw_spinlock                   raw_spinlock_t *
115 #define acpi_cpu_flags                      unsigned long
116 
117 #define acpi_uintptr_t                      uintptr_t
118 
119 #define ACPI_TO_INTEGER(p)                  ((uintptr_t)(p))
120 #define ACPI_OFFSET(d, f)                   offsetof(d, f)
121 
122 /* Use native linux version of acpi_os_allocate_zeroed */
123 
124 #define USE_NATIVE_ALLOCATE_ZEROED
125 
126 /* Use logical addresses for accessing GPE registers in system memory */
127 
128 #define ACPI_GPE_USE_LOGICAL_ADDRESSES
129 
130 /*
131  * Overrides for in-kernel ACPICA
132  */
133 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
134 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
135 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
136 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
137 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
138 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
139 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
140 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
141 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
142 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
143 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
144 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
145 
146 /*
147  * OSL interfaces used by debugger/disassembler
148  */
149 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
150 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
151 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
152 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger
153 
154 /*
155  * OSL interfaces used by utilities
156  */
157 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
158 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
159 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
160 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
161 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
162 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
163 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
164 
165 #define ACPI_MSG_ERROR          KERN_ERR "ACPI Error: "
166 #define ACPI_MSG_EXCEPTION      KERN_ERR "ACPI Exception: "
167 #define ACPI_MSG_WARNING        KERN_WARNING "ACPI Warning: "
168 #define ACPI_MSG_INFO           KERN_INFO "ACPI: "
169 
170 #define ACPI_MSG_BIOS_ERROR     KERN_ERR "ACPI BIOS Error (bug): "
171 #define ACPI_MSG_BIOS_WARNING   KERN_WARNING "ACPI BIOS Warning (bug): "
172 
173 /*
174  * Linux wants to use designated initializers for function pointer structs.
175  */
176 #define ACPI_STRUCT_INIT(field, value)	.field = value
177 
178 #else				/* !__KERNEL__ */
179 
180 #define ACPI_USE_STANDARD_HEADERS
181 
182 #ifdef ACPI_USE_STANDARD_HEADERS
183 #include <stddef.h>
184 #include <unistd.h>
185 #include <stdint.h>
186 
187 #define ACPI_OFFSET(d, f)   offsetof(d, f)
188 #endif
189 
190 /* Define/disable kernel-specific declarators */
191 
192 #ifndef __init
193 #define __init
194 #endif
195 #ifndef __iomem
196 #define __iomem
197 #endif
198 
199 /* Host-dependent types and defines for user-space ACPICA */
200 
201 #define ACPI_FLUSH_CPU_CACHE()
202 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
203 
204 #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\
205 	defined(__aarch64__) || defined(__PPC64__) ||\
206 	defined(__s390x__)   || defined(__loongarch__) ||\
207 	(defined(__riscv) && (defined(__LP64__) || defined(_LP64)))
208 #define ACPI_MACHINE_WIDTH          64
209 #define COMPILER_DEPENDENT_INT64    long
210 #define COMPILER_DEPENDENT_UINT64   unsigned long
211 #else
212 #define ACPI_MACHINE_WIDTH          32
213 #define COMPILER_DEPENDENT_INT64    long long
214 #define COMPILER_DEPENDENT_UINT64   unsigned long long
215 #define ACPI_USE_NATIVE_DIVIDE
216 #define ACPI_USE_NATIVE_MATH64
217 #endif
218 
219 #ifndef __cdecl
220 #define __cdecl
221 #endif
222 
223 #endif				/* __KERNEL__ */
224 
225 #endif				/* __ACLINUX_H__ */
226